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> Scombriformes (Mackerels) > Gempylidae (Snake mackerels)
Etymology: Rexea: Latin, rex, rego = king; alisae: Named for ORSTOM's research vessel 'Alis', based in New Caledonia..

Environment: milieu / climate zone / depth range / distribution range Écologie

marin benthopélagique; profondeur 470 - 580 m (Ref. 33346). Deep-water; 18°S - 26°S, 162°E - 170°E (Ref. 57081)

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Western Pacific: New Caledonia.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 30.9 cm SL mâle / non sexé; (Ref. 33346)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 20; Rayons mous dorsaux (Total) : 13; Épines anales: 2; Rayons mous anaux: 12. Body and head metallic silver; darker dorsally. Pupil silvery with an elongated, dusky blotch above and below the iris. A dark blotch, equal in size to orbit length on the operculum.

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Référence principale Upload your references | Références | Coordinateur : Parin, Nikolay V. | Collaborateurs

Roberts, C.D. and A.L. Stewart, 1997. Gemfishes (Scombroidei, Gempylidae, Rexea) of New Caledonia, southwest Pacific Ocean, with description of a new species. No. 7. In Séret, B. (ed.), Résultats des Campagnes MUSORSTOM, v. 17. Mem. Mus. Natl. Hist. Nat. (MMNHN), 174:125-141. (Ref. 33346)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Non évalué

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 2.7 - 6.9, mean 4 °C (based on 42 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.1 ±0.7 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming tmax>10).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (28 of 100).

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Rexea alisae Roberts & Stewart, 1997